Co-usage of papers

Number of sessions analized: 69179 (we exclude session that access less than 2 papers or articles)

izaizadpsdp362 (2 access)related documents:

nztnztwps99-5-7	access 1	commun 1	relatness 0.5
nztnztwps99-5-4	access 1	commun 1	relatness 0.5

Done at: 2002-04-15 10:19:14